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source: palm/trunk/SOURCE/pmc_particle_interface.f90 @ 3032

Last change on this file since 3032 was 2967, checked in by raasch, 7 years ago
bugfix: missing parallel cpp-directives added
Property svn:keywords set to `Id`
File size: 44.1 KB

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[2801]	1	MODULE pmc_particle_interface
	2
	3	!------------------------------------------------------------------------------!
	4	! This file is part of PALM.
	5	!
	6	! PALM is free software: you can redistribute it and/or modify it under the
	7	! terms of the GNU General Public License as published by the Free Software
	8	! Foundation, either version 3 of the License, or (at your option) any later
	9	! version.
	10	!
	11	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
	12	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
	13	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
	14	!
	15	! You should have received a copy of the GNU General Public License along with
	16	! PALM. If not, see <http://www.gnu.org/licenses/>.
	17	!
	18	! Copyright 1997-2018 Leibniz Universitaet Hannover
	19	!------------------------------------------------------------------------------!
	20	!
	21	! Current revisions:
	22	! ------------------
	23	!
	24	!
	25	! Former revisions:
[2809]	26	! -----------------!
	27	! $Id: pmc_particle_interface.f90 2967 2018-04-13 11:22:08Z raasch $
[2967]	28	! bugfix: missing parallel cpp-directives added
	29	!
	30	! 2884 2018-03-14 08:33:20Z scharf
[2884]	31	! B: corrected KIND of variable "parsize" for some MPI calls
	32	!
	33	! 2841 2018-02-27 15:02:57Z knoop
[2841]	34	! Bugfix: wrong placement of include 'mpif.h' corrected
	35	!
	36	! 2809 2018-02-15 09:55:58Z schwenkel
[2809]	37	! Bugfix for gfortran: Replace the function C_SIZEOF with STORAGE_SIZE.
	38	!
[2801]	39	!
	40	! Initial Version (by Klaus Ketelsen)
	41	!
	42	!
	43	! Description:
	44	! ------------
	45	! Introduce particle transfer in nested models.
	46	! Interface to palm lpm model to handel particle transfer between parent and
	47	! child model.
	48	!------------------------------------------------------------------------------!
	49
	50	USE, INTRINSIC :: ISO_C_BINDING
[2841]	51
[2967]	52	#if defined( __parallel ) && !defined( __mpifh )
[2801]	53	USE MPI
[2841]	54	#endif
[2801]	55
	56	USE kinds
	57
	58	USE pegrid, &
	59	ONLY: myidx,myidy
	60
	61	USE indices, &
	62	ONLY: nx, ny, nxl, nxr, nys, nyn, nzb, nzt, nxlg, nxrg, nysg, nyng, nbgp
	63
	64	USE grid_variables, &
	65	ONLY: dx, dy
	66
	67	USE arrays_3d, &
	68	ONLY: zw
	69
	70	USE control_parameters, &
	71	ONLY: message_string
	72
	73	USE particle_attributes, &
	74	ONLY: prt_count, particles, grid_particles, &
	75	particle_type, number_of_particles, zero_particle, &
	76	ibc_par_t, ibc_par_lr, ibc_par_ns, alloc_factor
	77
	78	USE lpm_pack_and_sort_mod
	79
[2967]	80	USE lpm_exchange_horiz_mod, &
	81	ONLY: realloc_particles_array
	82
	83	#if defined( __parallel )
[2801]	84	USE pmc_general, &
	85	ONLY: pedef
	86
	87	USE pmc_parent, &
	88	ONLY: children, pmc_s_fillbuffer, pmc_s_getdata_from_buffer, &
	89	pmc_s_get_child_npes
	90
	91	USE pmc_child, &
	92	ONLY: me, pmc_c_getbuffer, pmc_c_putbuffer
	93
	94	USE pmc_interface, &
	95	ONLY: cpl_id, get_number_of_childs, nr_part, part_adr, nested_run, &
	96	get_childid, get_child_edges, nr_partc, part_adrc, &
	97	coarse_bound, coord_x, coord_y, cg, get_child_gridspacing, &
	98	lower_left_coord_x, lower_left_coord_y
	99
	100	USE pmc_handle_communicator, &
	101	ONLY: pmc_parent_for_child
	102
	103	USE pmc_mpi_wrapper, &
	104	ONLY: pmc_send_to_parent, pmc_recv_from_child
	105
[2967]	106	#endif
[2801]	107
	108	IMPLICIT NONE
[2841]	109
[2967]	110	#if defined( __parallel ) && defined( __mpifh )
[2841]	111	INCLUDE "mpif.h"
	112	#endif
	113
[2801]	114	PRIVATE
	115	SAVE
	116
	117	TYPE coarse_particle_def
	118	INTEGER(iwp) :: nr_particle
	119
	120	TYPE(particle_type),ALLOCATABLE,DIMENSION(:) :: parent_particles
	121	END TYPE coarse_particle_def
	122
	123	INTEGER(iwp),PARAMETER :: Min_particles_per_column = 100 !<
	124	INTEGER(iwp),PARAMETER :: max_nr_particle_in_rma_win = 100000 !<
	125
	126	INTEGER(iwp) :: nr_fine_in_coarse !< Number of fine grid cells in coarse grid (one direction)
	127	INTEGER(iwp) :: particle_win_child !<
	128
	129	INTEGER(iwp),ALLOCATABLE,DIMENSION(:) :: particle_win_parent !<
	130
	131	TYPE(C_PTR), ALLOCATABLE,DIMENSION(:) :: buf_ptr !<
	132
	133	TYPE(particle_type), DIMENSION(:),POINTER :: particle_in_win !<
	134
	135	TYPE(coarse_particle_def),ALLOCATABLE,DIMENSION(:,:) :: coarse_particles !<
	136
	137
	138
	139	INTERFACE pmcp_g_init
	140	MODULE PROCEDURE pmcp_g_init
	141	END INTERFACE pmcp_g_init
	142
	143	INTERFACE pmcp_g_alloc_win
	144	MODULE PROCEDURE pmcp_g_alloc_win
	145	END INTERFACE pmcp_g_alloc_win
	146
	147	INTERFACE pmcp_c_get_particle_from_parent
	148	MODULE PROCEDURE pmcp_c_get_particle_from_parent
	149	END INTERFACE pmcp_c_get_particle_from_parent
	150
	151	INTERFACE pmcp_c_send_particle_to_parent
	152	MODULE PROCEDURE pmcp_c_send_particle_to_parent
	153	END INTERFACE pmcp_c_send_particle_to_parent
	154
	155	INTERFACE pmcp_p_fill_particle_win
	156	MODULE PROCEDURE pmcp_p_fill_particle_win
	157	END INTERFACE pmcp_p_fill_particle_win
	158
	159	INTERFACE pmcp_p_empty_particle_win
	160	MODULE PROCEDURE pmcp_p_empty_particle_win
	161	END INTERFACE pmcp_p_empty_particle_win
	162
	163	INTERFACE pmcp_g_print_number_of_particles
	164	MODULE PROCEDURE pmcp_g_print_number_of_particles
	165	END INTERFACE pmcp_g_print_number_of_particles
	166
	167	INTERFACE pmcp_p_delete_particles_in_fine_grid_area
	168	MODULE PROCEDURE pmcp_p_delete_particles_in_fine_grid_area
	169	END INTERFACE pmcp_p_delete_particles_in_fine_grid_area
	170
	171	PUBLIC pmcp_g_init, pmcp_g_alloc_win, pmcp_c_get_particle_from_parent
	172	PUBLIC pmcp_c_send_particle_to_parent, pmcp_p_fill_particle_win, pmcp_g_print_number_of_particles
	173	PUBLIC pmcp_p_empty_particle_win, pmcp_p_delete_particles_in_fine_grid_area
	174
	175	CONTAINS
	176
	177	!------------------------------------------------------------------------------!
	178	! Description:
	179	! ------------
	180	!> general routine:
	181	!> Initializing actions of the particle interface
	182	!> check particle boundary conditions for the child models
	183	!------------------------------------------------------------------------------!
	184	SUBROUTINE pmcp_g_init
	185
	186	IMPLICIT NONE
	187
	188	INTEGER(iwp) :: nr_childs !< Number of child models of the current model
	189
[2967]	190	#if defined( __parallel )
	191
[2801]	192	nr_childs = get_number_of_childs()
	193	!
	194	!-- Check if the current model has child models
	195	IF ( nr_childs > 0 ) THEN
	196	ALLOCATE( nr_part(nysg:nyng, nxlg:nxrg) )
	197	ALLOCATE( part_adr(nysg:nyng, nxlg:nxrg) )
	198	nr_part = 0
	199	part_adr = 0
	200	ENDIF
	201
	202	!
	203	!-- Set the boundary conditions to nested for all non root (i.e child) models
	204	IF ( cpl_id > 1 ) THEN
	205
	206	IF ( ibc_par_t /= 3 ) THEN
	207	ibc_par_t = 3
	208	message_string = 'In Child model: bc_par_t is automatically set to nested '
	209	CALL message( 'pmcp_g_init ', 'PA0477', 0, 1, 0, 6, 0 ) ! PA number has to be adjusted
	210	ENDIF
	211
	212	IF ( ibc_par_lr /= 3 ) THEN
	213	ibc_par_lr = 3
	214	message_string = 'In Child model: bc_par_lr is automatically set to nested '
	215	CALL message( 'pmcp_g_init ', 'PA0478', 0, 1, 0, 6, 0 ) ! PA number has to be adjusted
	216	ENDIF
	217
	218	IF ( ibc_par_ns /= 3 ) THEN
	219	ibc_par_ns = 3
	220	message_string = 'In Child model: bc_par_ns is automatically set to nested '
	221	CALL message( 'pmcp_g_init ', 'PA0479', 0, 1, 0, 6, 0 ) ! PA number has to be adjusted
	222	ENDIF
	223
	224	ENDIF
	225
[2967]	226	#endif
[2801]	227	END SUBROUTINE pmcp_g_init
	228	!------------------------------------------------------------------------------!
	229	! Description:
	230	! ------------
	231	!> general routine:
	232	!> allocate the MPI windows
	233	!------------------------------------------------------------------------------!
	234	SUBROUTINE pmcp_g_alloc_win
	235
	236	IMPLICIT NONE
	237
	238	INTEGER(iwp) :: m !< loop index
	239	INTEGER(iwp) :: ierr !< error code
	240	INTEGER(iwp) :: icl !< left boundary in coarse(parent) index space
	241	INTEGER(iwp) :: icr !< right boundary in coarse(parent) index space
	242	INTEGER(iwp) :: jcs !< south boundary in coarse(parent) index space
	243	INTEGER(iwp) :: jcn !< north boundary in coarse(parent) index space
	244	INTEGER(iwp) :: child_id !< Id of a child model
	245	INTEGER(iwp) :: nr_childs !< Number of child models of the current model
	246
[2884]	247	INTEGER :: parsize !<
[2801]	248	TYPE(C_PTR), SAVE :: ptr !<
	249
	250	TYPE(particle_type),DIMENSION(:),POINTER :: win_buffer !<
	251
	252	INTEGER(iwp),DIMENSION(1) :: buf_shape !<
	253
[2967]	254	#if defined( __parallel )
	255	INTEGER(KIND=MPI_ADDRESS_KIND) :: parsize_mpi_address_kind !<
	256	INTEGER(KIND=MPI_ADDRESS_KIND) :: winsize !<
	257
[2801]	258	!
	259	!-- If the model has a parent model prepare the structures for transfer
	260	IF ( cpl_id > 1 ) THEN
[2809]	261
[2884]	262	parsize_mpi_address_kind = STORAGE_SIZE(zero_particle)/8
[2809]	263
[2884]	264	CALL MPI_ALLOC_MEM( parsize_mpi_address_kind , MPI_INFO_NULL, ptr, ierr )
	265	parsize = parsize_mpi_address_kind
[2801]	266	buf_shape(1) = 1
	267	CALL C_F_POINTER( ptr, win_buffer, buf_shape )
[2884]	268	CALL MPI_WIN_CREATE( win_buffer, parsize_mpi_address_kind, parsize, &
[2801]	269	MPI_INFO_NULL, me%intra_comm, particle_win_child, &
	270	ierr )
	271
	272	!
	273	!-- Child domain boundaries in the parent index space
	274	icl = coarse_bound(1)
	275	icr = coarse_bound(2)
	276	jcs = coarse_bound(3)
	277	jcn = coarse_bound(4)
	278
[2884]	279	ALLOCATE( coarse_particles(jcs:jcn, icl:icr) )
[2801]	280
	281	coarse_particles(:,:)%nr_particle = 0
	282	ENDIF
	283
	284	!
	285	!-- If the model has child models prepare the structures for transfer
	286	nr_childs = get_number_of_childs()
	287	IF ( nr_childs > 0 ) THEN
	288	ALLOCATE( particle_win_parent(nr_childs) )
	289	ALLOCATE( buf_ptr(nr_childs) )
	290	DO m = 1, nr_childs
	291	child_id = get_childid(m)
[2884]	292	parsize_mpi_address_kind = STORAGE_SIZE(zero_particle)/8
	293	parsize = parsize_mpi_address_kind
[2809]	294
[2884]	295	winsize = max_nr_particle_in_rma_win * parsize_mpi_address_kind
[2801]	296	CALL MPI_ALLOC_MEM( winsize , MPI_INFO_NULL, buf_ptr(m), ierr )
	297	buf_shape(1) = max_nr_particle_in_rma_win
	298	CALL C_F_POINTER( buf_ptr(m), win_buffer, buf_shape )
[2884]	299	CALL MPI_WIN_CREATE( win_buffer, winsize, parsize, MPI_INFO_NULL, &
	300	children(child_id)%intra_comm, &
[2801]	301	particle_win_parent(m), ierr )
	302	ENDDO
	303	ENDIF
	304
[2967]	305	#endif
[2801]	306	END SUBROUTINE pmcp_g_alloc_win
[2967]	307
	308
[2801]	309	!------------------------------------------------------------------------------!
	310	! Description:
	311	! ------------
	312	!> child routine:
	313	!> Read/get particles out of the parent MPI window
	314	!------------------------------------------------------------------------------!
	315	SUBROUTINE pmcp_c_get_particle_from_parent
	316
	317	IMPLICIT NONE
	318
	319	INTEGER(iwp) :: i !< x grid index
	320	INTEGER(iwp) :: icl !< left boundary in coarse(parent) index space
	321	INTEGER(iwp) :: ierr !< error code
	322	INTEGER(iwp) :: ij !< combined xy index for the buffer array
	323	INTEGER(iwp) :: ip !< loop index (child PEs)
	324	INTEGER(iwp) :: j !< y grid index
	325	INTEGER(iwp) :: jcs !< south boundary in coarse(parent) index space
	326	INTEGER(iwp) :: nr !< number of particles to receive from a parent box
	327
[2884]	328	INTEGER :: parsize !<
[2967]	329
	330	#if defined( __parallel )
	331	TYPE(pedef), POINTER :: ape !< TO_DO Klaus: give a description and better name of the variable
	332
[2884]	333	INTEGER(KIND=MPI_ADDRESS_KIND) :: parsize_mpi_address_kind !<
[2801]	334	INTEGER(KIND=MPI_ADDRESS_KIND) :: target_disp !<
	335
	336	IF ( cpl_id > 1 ) THEN
	337
	338	CALL pmc_c_getbuffer( particle_transfer = .TRUE. ) !Get number of particle/column and offset in RMA window xx
	339
	340	!
	341	!-- Wait for buffer to fill.
	342	!
	343	!-- The parent side (in pmc_s_fillbuffer) is filling the buffer in the MPI RMA window
	344	!-- When the filling is complete, a MPI_BARRIER is called.
	345	!-- The child is not allowd to access the parent-buffer before it is completely filled
	346	!-- Synchronization is done implicitely in pmc_c_getbuffer and pmc_s_fillbuffer on the parent side
	347
	348	icl = coarse_bound(1)
	349	jcs = coarse_bound(3)
	350
	351	DO ip = 1, me%inter_npes
	352
	353	ape => me%pes(ip)
	354
	355	DO ij = 1, ape%nrele
	356	j = ape%locind(ij)%j + jcs - 1
	357	i = ape%locind(ij)%i + icl - 1
	358	nr = nr_partc(j,i)
	359	IF ( nr > 0 ) THEN
	360
	361	CALL check_and_alloc_coarse_particle (i, j, nr)
[2884]	362	parsize_mpi_address_kind = STORAGE_SIZE(zero_particle)/8
	363	parsize = parsize_mpi_address_kind
[2801]	364	target_disp = part_adrc(j,i) - 1
[2884]	365	CALL MPI_WIN_LOCK( MPI_LOCK_SHARED , ip - 1, 0, &
	366	particle_win_child, ierr )
[2801]	367	CALL MPI_GET( coarse_particles(j,i)%parent_particles, &
[2884]	368	nr * parsize, MPI_BYTE, ip - 1, target_disp, &
	369	nr * parsize, MPI_BYTE, particle_win_child, ierr )
[2801]	370	CALL MPI_WIN_UNLOCK( ip - 1, particle_win_child, ierr )
	371	ENDIF
	372	coarse_particles(j,i)%nr_particle = nr
	373	ENDDO
	374	ENDDO
	375
	376	CALL c_copy_particle_to_child_grid
	377	ENDIF
	378
[2967]	379	#endif
[2801]	380	END SUBROUTINE pmcp_c_get_particle_from_parent
[2967]	381
	382
[2801]	383	!------------------------------------------------------------------------------!
	384	! Description:
	385	! ------------
	386	!> child routine:
	387	!> Write/put particles into the parent MPI window
	388	!------------------------------------------------------------------------------!
	389	SUBROUTINE pmcp_c_send_particle_to_parent
	390
	391	IMPLICIT NONE
	392
	393	INTEGER(iwp) :: disp_offset !<
	394	INTEGER(iwp) :: i !< x loop index
	395	INTEGER(iwp) :: icl !< left boundary in coarse(parent) index space
	396	INTEGER(iwp) :: icr !< right boundary in coarse(parent) index space
	397	INTEGER(iwp) :: ierr !< error code
	398	INTEGER(iwp) :: ij !< combined xy index for the buffer array
	399	INTEGER(iwp) :: ip !< loop index (child PEs)
	400	INTEGER(iwp) :: j !< y loop index
	401	INTEGER(iwp) :: jcs !< south boundary in coarse(parent) index space
	402	INTEGER(iwp) :: jcn !< north boundary in coarse(parent) index space
	403	INTEGER(iwp) :: max_nr_particle_per_pe !< maximum number of particles per PE (depending on grid apect ratio)
	404	INTEGER(iwp) :: n !< shorter variable name for nr_fine_in_coarse
	405	INTEGER(iwp) :: nr !< shorter variabel name for nr_partc
	406	INTEGER(iwp) :: pe_offset !< offset index of the current PE
	407
[2884]	408	INTEGER :: parsize !<
[2801]	409
	410	REAL(wp) :: eps=0.00001 !< used in calculations to avoid rounding errors
	411	REAL(wp) :: xx !< number of fine grid cells inside a coarse grid cell in x-direction
	412	REAL(wp) :: yy !< number of fine grid cells inside a coarse grid cell in y-direction
	413
[2967]	414	! TYPE(particle_type) :: dummy_part !< dummy particle (needed for size calculations)
	415
	416	#if defined( __parallel )
[2801]	417	TYPE(pedef), POINTER :: ape !< TO_DO Klaus: give a description and better name of the variable
[2967]	418
	419	INTEGER(KIND=MPI_ADDRESS_KIND) :: parsize_mpi_address_kind !<
	420	INTEGER(KIND=MPI_ADDRESS_KIND) :: target_disp !<
[2801]	421
	422
	423	IF ( cpl_id > 1 ) THEN
	424	CALL c_copy_particle_to_coarse_grid
	425
	426	!
	427	!-- Child domain boundaries in the parent index space
	428
	429	icl = coarse_bound(1)
	430	icr = coarse_bound(2)
	431	jcs = coarse_bound(3)
	432	jcn = coarse_bound(4)
	433
	434	nr_partc = 0
	435
	436	DO i = icl, icr
	437	DO j = jcs, jcn
	438	nr_partc(j,i) = coarse_particles(j,i)%nr_particle
	439	ENDDO
	440	ENDDO
	441	part_adrc = 0
	442
	443	!
	444	!-- compute number of fine grid cells in coarse grid (one direction)
	445	xx = (cg%dx + eps) / dx ! +eps to avoid rounding error
	446	yy = (cg%dy + eps) / dy
	447	nr_fine_in_coarse = MAX( INT(xx), INT(yy) )
	448
	449	IF ( MOD( coord_x(0), cg%dx ) /= 0.0 .OR. MOD( coord_y(0), cg%dy ) /= 0.0 ) THEN
	450	nr_fine_in_coarse = nr_fine_in_coarse + 1
	451	ENDIF
	452
	453	!
	454	!-- Assign a number to my child PE to select different areas in the RMA window on server side
	455	!-- With this number a square of child PEs is defined which share the same coarse grid cells
	456
	457	n = nr_fine_in_coarse ! local variable n to make folloing statements shorter
	458	pe_offset = MOD( myidx, n ) * n + MOD( myidy, n)
	459	max_nr_particle_per_pe = max_nr_particle_in_rma_win / ( n * n )
	460	disp_offset = pe_offset * max_nr_particle_per_pe
[2884]	461	parsize_mpi_address_kind = STORAGE_SIZE(zero_particle)/8
	462	parsize = parsize_mpi_address_kind
[2801]	463	DO ip = 1, me%inter_npes
	464
	465	ape => me%pes(ip)
	466
	467	target_disp = disp_offset
	468	DO ij = 1, ape%nrele
	469	j = ape%locind(ij)%j + jcs - 1
	470	i = ape%locind(ij)%i + icl - 1
	471	nr = nr_partc(j,i)
	472	IF( nr > 0 ) THEN
	473	IF ( target_disp + nr - disp_offset >= max_nr_particle_per_pe ) THEN
	474	WRITE(9,*) 'RMA window too small on child ', &
	475	target_disp + nr - disp_offset, &
	476	max_nr_particle_per_pe, max_nr_particle_in_rma_win
	477	message_string = 'RMA window too small on child'
	478	CALL message( 'pmci_create_child_arrays', 'PA0480', 3, 2, 0, 6, 0 ) ! PA number has to be adjusted
	479	ENDIF
[2884]	480	CALL MPI_WIN_LOCK( MPI_LOCK_SHARED , ip - 1, 0, &
	481	particle_win_child, ierr )
[2801]	482	CALL MPI_PUT( coarse_particles(j,i)%parent_particles, &
[2884]	483	nr * parsize, MPI_BYTE, ip - 1, target_disp, &
	484	nr * parsize, MPI_BYTE, particle_win_child, ierr )
[2801]	485	CALL MPI_WIN_UNLOCK( ip - 1, particle_win_child, ierr )
	486	part_adrc(j,i) = target_disp + 1
	487	target_disp = target_disp + nr
	488	ENDIF
	489	ENDDO
	490	ENDDO
	491
	492	CALL pmc_c_putbuffer ( particle_transfer = .TRUE. ) !Send new number of particle/column and offset to parent
	493
	494	ENDIF
	495
[2967]	496	#endif
[2801]	497	END SUBROUTINE pmcp_c_send_particle_to_parent
[2967]	498
	499
[2801]	500	!------------------------------------------------------------------------------!
	501	! Description:
	502	! ------------
	503	!> parent routine:
	504	!> write particles into the MPI window
	505	!------------------------------------------------------------------------------!
	506	SUBROUTINE pmcp_p_fill_particle_win
	507
	508	IMPLICIT NONE
	509
	510	LOGICAL :: active_particle !< Particles located in the fine/child grid area are marked as active (to be transferred)
	511	LOGICAL,SAVE :: lfirst = .TRUE. !<
	512
	513	INTEGER(iwp) :: child_id !< id of the child model
	514	INTEGER(iwp) :: i !< x grid box index
	515	INTEGER(iwp) :: ierr !< error code
	516	INTEGER(iwp) :: ij !< combined xy index for the buffer array
	517	INTEGER(iwp) :: ip !< loop index (child PEs)
	518	INTEGER(iwp) :: j !< y grid box index
	519	INTEGER(iwp) :: k !< z grid box index
	520	INTEGER(iwp) :: m !< loop index (number of childs)
	521	INTEGER(iwp) :: n !< loop index (number of particles)
	522	INTEGER(iwp) :: nr_part_col !< Number of particles to transfer per column
	523	INTEGER(iwp) :: number_of_particles !<
	524	INTEGER(iwp) :: pindex !<
	525	INTEGER(iwp) :: tot_particle_count !< Total number of particles per child
	526
	527	REAL(wp) :: dx_child !< child grid spacing
	528	REAL(wp) :: dy_child !< child grid spacing
	529	REAL(wp) :: dz_child !< child grid spacing
	530	REAL(wp) :: ny_coord !< north coordinate of child grid
	531	REAL(wp) :: ny_coord_b !< north coordinate of child grid boundary
	532	REAL(wp) :: lx_coord !< left coordinate of child grid
	533	REAL(wp) :: lx_coord_b !< left coordinate of child grid boundary
	534	REAL(wp) :: rx_coord !< right coordinate of child grid
	535	REAL(wp) :: rx_coord_b !< right coordinate of child grid boundary
	536	REAL(wp) :: sy_coord !< south coordinate of child grid
	537	REAL(wp) :: sy_coord_b !< south coordinate of child grid boundary
	538	REAL(wp) :: uz_coord !< upper coordinate of child grid
	539	REAL(wp) :: uz_coord_b !< upper coordinate of child grid boundary
	540	REAL(wp) :: x !< particle position
	541	REAL(wp) :: xo !< origin of particle
	542	REAL(wp) :: y !< particle position
	543	REAL(wp) :: yo !< origin of particle
	544	REAL(wp) :: z !< particle position
	545
	546	INTEGER(iwp),DIMENSION(1) :: buf_shape !<
	547
[2967]	548	#if defined( __parallel )
[2801]	549	TYPE(pedef), POINTER :: ape !< TO_DO Klaus: give a description and better name of the variable
	550
	551	DO m = 1, get_number_of_childs()
	552
	553	child_id = get_childid(m)
	554
	555	CALL get_child_edges( m, lx_coord, lx_coord_b, rx_coord, rx_coord_b, &
	556	sy_coord, sy_coord_b, ny_coord, ny_coord_b, &
	557	uz_coord, uz_coord_b)
	558
	559	CALL get_child_gridspacing( m, dx_child, dy_child, dz_child )
	560
	561	IF ( lfirst ) THEN
	562	WRITE(9,'(a,5f10.2)') 'edges ',lx_coord,rx_coord,sy_coord,ny_coord,uz_coord
	563	WRITE(9,'(a,5f10.2)') 'edges boundary ',lx_coord_b,rx_coord_b,sy_coord_b,ny_coord_b,uz_coord_b
	564	WRITE(9,'(a,5f10.2)') 'child spacing ',dx_child, dy_child, dz_child,lower_left_coord_x,lower_left_coord_y
	565	ENDIF
	566	!
	567	!-- reset values for every child
	568	tot_particle_count = 0
	569	nr_part = 0
	570	part_adr = 0
	571	pindex = 1
	572
	573	buf_shape(1) = max_nr_particle_in_rma_win
	574	CALL C_F_POINTER( buf_ptr(m), particle_in_win , buf_shape )
	575
	576	DO ip = 1, children(child_id)%inter_npes
	577
	578	ape => children(child_id)%pes(ip)
	579
	580	nr_part_col = 0
	581
	582	DO ij = 1, ape%nrele
	583
	584	!
	585	!-- Inside the PMC adressing of 3d arrays starts with 1
	586	i = ape%locind(ij)%i + nxl - nbgp - 1
	587	j = ape%locind(ij)%j + nys - nbgp - 1
	588	nr_part_col = 0 ! Number of particles to transfer per column
	589	part_adr(j,i) = pindex
	590
	591	DO k = nzb + 1, nzt
	592	number_of_particles = prt_count(k,j,i)
	593
	594	IF ( number_of_particles <= 0 ) CYCLE
	595
	596	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
	597
	598	! Select particles within boundary area
	599
	600	DO n = 1, number_of_particles
	601	x = particles(n)%x
	602	y = particles(n)%y
	603	z = particles(n)%z
	604	!
	605	!-- check if the particle is located in the fine grid area
	606	active_particle = ((x > lx_coord .AND. x < rx_coord) .AND. &
	607	(y > sy_coord .AND. y < ny_coord) .AND. &
	608	(z > 0.000000001 .AND. z < uz_coord))
	609	IF ( active_particle .AND. particles(n)%particle_mask ) THEN
	610
	611	particle_in_win(pindex) = particles(n)
	612	!
	613	!-- Change particle positions and origin relative to global origin
	614	particle_in_win(pindex)%x = particle_in_win(pindex)%x + lower_left_coord_x
	615	particle_in_win(pindex)%y = particle_in_win(pindex)%y + lower_left_coord_y
	616	particle_in_win(pindex)%origin_x = particle_in_win(pindex)%origin_x + lower_left_coord_x
	617	particle_in_win(pindex)%origin_y = particle_in_win(pindex)%origin_y + lower_left_coord_y
	618
	619	tot_particle_count = tot_particle_count + 1
	620	nr_part_col = nr_part_col + 1
	621	pindex = pindex + 1
	622	IF ( pindex > max_nr_particle_in_rma_win ) THEN
	623	WRITE(9,*) 'RMA window too small on parent ',pindex, max_nr_particle_in_rma_win
	624	message_string = 'RMA window too small on parent'
	625	CALL message( 'pmci_create_child_arrays', 'PA0481', 3, 2, 0, 6, 0 ) ! PA number has to be adjusted
	626	ENDIF
	627	END IF
	628	ENDDO
	629	ENDDO
	630	nr_part(j,i) = nr_part_col
	631	ENDDO
	632	ENDDO
	633
	634	CALL pmc_s_fillbuffer( child_id, particle_transfer = .TRUE. )
	635	ENDDO
	636
	637	lfirst = .FALSE.
	638
[2967]	639	#endif
[2801]	640	END SUBROUTINE pmcp_p_fill_particle_win
[2967]	641
[2801]	642
	643	!------------------------------------------------------------------------------!
	644	! Description:
	645	! ------------
	646	!> parent routine:
	647	!> delete particles from the MPI window
	648	!------------------------------------------------------------------------------!
	649	SUBROUTINE pmcp_p_empty_particle_win
[2967]	650
[2801]	651	IMPLICIT NONE
	652
	653	INTEGER(iwp) :: child_id !< model id of the child
	654	INTEGER(iwp) :: ip !< loop index (child PEs)
	655	INTEGER(iwp) :: m !< loop index (number of childs)
	656
	657	INTEGER(iwp),DIMENSION(1) :: buf_shape !<
	658
[2967]	659	#if defined( __parallel )
[2801]	660	DO m = 1, get_number_of_childs()
	661
	662	child_id = get_childid(m)
	663
	664	buf_shape(1) = max_nr_particle_in_rma_win
	665	CALL C_F_POINTER( buf_ptr(m), particle_in_win , buf_shape )
	666
	667	!
	668	!-- In some cells of the coarse grid, there are contributions from more than one child process
	669	!-- Therfore p_copy_particle_to_org_grid is done for one child process per call
	670
	671	DO ip = 1, pmc_s_get_child_npes( child_id )
	672	nr_part = 0
	673	part_adr = 0
	674
	675	CALL pmc_s_getdata_from_buffer( child_id, particle_transfer = .TRUE., child_process_nr = ip )
	676
	677	CALL p_copy_particle_to_org_grid( m, child_id )
	678	ENDDO
	679
	680	ENDDO
	681
[2967]	682	#endif
[2801]	683	END SUBROUTINE pmcp_p_empty_particle_win
[2967]	684
	685
[2801]	686	!------------------------------------------------------------------------------!
	687	! Description:
	688	! ------------
	689	!> parent routine:
	690	!> After the transfer mark all parent particles that are still inside on of the
	691	!> child areas for deletion.
	692	!------------------------------------------------------------------------------!
	693	SUBROUTINE pmcp_p_delete_particles_in_fine_grid_area
	694
	695	IMPLICIT NONE
	696
	697	LOGICAL :: to_delete !< particles outside of model domain are marked as to_delete
	698
	699	INTEGER(iwp) :: i !< loop index (x grid)
	700	INTEGER(iwp) :: j !< loop index (y grid)
	701	INTEGER(iwp) :: k !< loop index (z grid)
	702	INTEGER(iwp) :: m !< loop index (number of particles)
	703	INTEGER(iwp) :: n !< loop index (number of childs)
	704
	705	REAL(wp) :: dx_child !< child grid spacing
	706	REAL(wp) :: dy_child !< child grid spacing
	707	REAL(wp) :: dz_child !< child grid spacing
	708	REAL(wp) :: ny_coord !< north coordinate of child grid
	709	REAL(wp) :: ny_coord_b !< north coordinate of child grid boundary
	710	REAL(wp) :: lx_coord !< left coordinate of child grid
	711	REAL(wp) :: lx_coord_b !< left coordinate of child grid boundary
	712	REAL(wp) :: rx_coord !< right coordinate of child grid
	713	REAL(wp) :: rx_coord_b !< right coordinate of child grid boundary
	714	REAL(wp) :: sy_coord !< south coordinate of child grid
	715	REAL(wp) :: sy_coord_b !< south coordinate of child grid boundary
	716	REAL(wp) :: uz_coord !< upper coordinate of child grid
	717	REAL(wp) :: uz_coord_b !< upper coordinate of child grid boundary
	718	REAL(wp) :: x !< particle position
	719	REAL(wp) :: y !< particle position
	720	REAL(wp) :: z !< particle position
	721
[2967]	722	#if defined( __parallel )
[2801]	723	DO m = 1, get_number_of_childs()
	724	CALL get_child_edges( m, lx_coord, lx_coord_b, rx_coord, rx_coord_b, &
	725	sy_coord, sy_coord_b, ny_coord, ny_coord_b, &
	726	uz_coord, uz_coord_b )
	727
	728
	729	CALL get_child_gridspacing( m, dx_child, dy_child, dz_child )
	730
	731	DO i = nxl, nxr
	732	DO j = nys, nyn
	733	DO k = nzb, nzt
	734	number_of_particles = prt_count(k,j,i)
	735
	736	IF ( number_of_particles == 0 ) CYCLE
	737
	738	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
	739
	740	DO n = 1, number_of_particles
	741	x = particles(n)%x
	742	y = particles(n)%y
	743	z = particles(n)%z
	744
	745	to_delete = ((x > lx_coord .AND. x < rx_coord) .AND. &
	746	(y > sy_coord .AND. y < ny_coord) .AND. &
	747	(z > 0.000000001 .AND. z < uz_coord))
	748
	749	IF ( to_delete ) THEN
	750	particles(n)%particle_mask = .FALSE.
	751	ENDIF
	752	ENDDO
	753	ENDDO
	754	ENDDO
	755	ENDDO
	756
	757	ENDDO
	758
[2967]	759	#endif
[2801]	760	END SUBROUTINE pmcp_p_delete_particles_in_fine_grid_area
[2967]	761
	762
[2801]	763	!------------------------------------------------------------------------------!
	764	! Description:
	765	! ------------
	766	!> general routine:
	767	!> print the total number of of the current model and its child models into a file
	768	!------------------------------------------------------------------------------!
	769	SUBROUTINE pmcp_g_print_number_of_particles (my_time,local_nr_particles)
	770
	771	USE pegrid, &
	772	ONLY: myid
	773
	774	IMPLICIT NONE
	775
	776	INTEGER(iwp),INTENT(IN) :: local_nr_particles !<
	777
	778	REAL(wp),INTENT(IN) :: my_time !<
	779
	780	LOGICAL, SAVE :: is_file_open=.FALSE. !<
	781
	782	INTEGER(iwp) :: child_id !<
	783	INTEGER(iwp) :: child_nr_particles !< total number of particles in all child models
	784	INTEGER(iwp) :: ierr !< error code
	785	INTEGER(iwp) :: m !< loop index (number of childs)
	786
	787	CHARACTER(LEN=16) :: fname !< filename
	788
	789	INTEGER(iwp),DIMENSION(2) :: ivalr !< integer value to be received
	790	INTEGER(iwp),DIMENSION(2) :: ivals !< integer value to be send
	791
[2967]	792	#if defined( __parallel )
[2801]	793	child_nr_particles = 0
	794	IF ( myid == 0 ) THEN
	795	IF ( cpl_id > 1 ) THEN
	796	ivals(1) = local_nr_particles
	797	CALL pmc_send_to_parent( ivals, 1, 0, 400, ierr )
	798	ENDIF
	799	DO m = 1, SIZE( pmc_parent_for_child ) - 1
	800
	801	child_id = pmc_parent_for_child(m)
	802	CALL pmc_recv_from_child( child_id, ivalr, 1, 0, 400, ierr )
	803	child_nr_particles = child_nr_particles + ivalr(1)
	804	ENDDO
	805
	806	IF ( SIZE( pmc_parent_for_child ) > 1 ) THEN
	807	IF ( .NOT. is_file_open ) THEN !kk muss noch auf file_open umgestellt werden
	808	WRITE(fname,'(a,i2.2)') 'nr_particles_',cpl_id
	809	OPEN (333,file = fname)
	810	is_file_open = .true.
	811	ENDIF
	812	WRITE(333,'(f12.2,3i10)') my_time,local_nr_particles + child_nr_particles,local_nr_particles,child_nr_particles
	813	ENDIF
	814	ENDIF
	815
[2967]	816	#endif
[2801]	817	END SUBROUTINE pmcp_g_print_number_of_particles
	818
[2967]	819
[2801]	820	!------------------------------------------------------------------------------!
	821	!------------------------------------------------------------------------------!
	822	! Private subroutines
	823	!------------------------------------------------------------------------------!
	824	!------------------------------------------------------------------------------!
	825
	826	!------------------------------------------------------------------------------!
	827	! Description:
	828	! ------------
	829	!> child routine
	830	!> update the size of the local buffer (coarse_particles)
	831	!------------------------------------------------------------------------------!
	832	SUBROUTINE check_and_alloc_coarse_particle (ic,jc,nr,with_copy)
	833
	834	IMPLICIT NONE
	835
	836	INTEGER(iwp),INTENT(IN) :: ic !< coarse x grid index
	837	INTEGER(iwp),INTENT(IN) :: jc !< coarse y grid index
	838	INTEGER(iwp),INTENT(IN) :: nr !< number of particles to be transferred/stored in local buffer
	839
	840	LOGICAL,INTENT(IN),OPTIONAL :: with_copy !< copy particles in buffer? or reallocate empty buffer
	841
	842	LOGICAL :: with_copy_lo !< local variable of with copy
	843
	844	INTEGER(iwp) :: new_size !< new size of the local buffer
	845	INTEGER(iwp) :: old_size !< old size of the local buffer
	846
	847	TYPE(particle_type), DIMENSION(:), ALLOCATABLE :: tmp_particles_d !<
	848
[2967]	849	#if defined( __parallel )
[2801]	850	with_copy_lo = .FALSE.
	851	IF ( PRESENT( with_copy ) ) with_copy_lo = with_copy
	852
	853	IF ( .NOT. ALLOCATED( coarse_particles(jc,ic)%parent_particles ) ) THEN
	854	new_size = MAX( nr, Min_particles_per_column )
	855	ALLOCATE( coarse_particles(jc,ic)%parent_particles(new_size) )
	856	ELSEIF ( nr > SIZE( coarse_particles(jc,ic)%parent_particles ) ) THEN
	857
	858	old_size = SIZE( coarse_particles(jc,ic)%parent_particles )
	859	new_size = old_size * ( 1.0_wp + alloc_factor / 100.0_wp )
	860	new_size = MAX( nr, new_size, old_size + Min_particles_per_column )
	861
	862	!
	863	!-- Copy existing particles to new particle buffer
	864	IF ( with_copy_lo ) THEN
	865	ALLOCATE( tmp_particles_d(old_size) )
	866	tmp_particles_d(1:old_size) = coarse_particles(jc,ic)%parent_particles
	867
	868	DEALLOCATE( coarse_particles(jc,ic)%parent_particles )
	869	ALLOCATE( coarse_particles(jc,ic)%parent_particles(new_size) )
	870
	871	coarse_particles(jc,ic)%parent_particles(1:old_size) = tmp_particles_d(1:old_size)
	872	coarse_particles(jc,ic)%parent_particles(old_size+1:new_size) = zero_particle
	873
	874	DEALLOCATE( tmp_particles_d )
	875	!
	876	!-- allocate or reallocate an empty buffer
	877	ELSE
	878	DEALLOCATE( coarse_particles(jc,ic)%parent_particles )
	879	ALLOCATE( coarse_particles(jc,ic)%parent_particles(new_size) )
	880	ENDIF
	881	ENDIF
	882
[2967]	883	#endif
[2801]	884	END SUBROUTINE check_and_alloc_coarse_particle
	885
[2967]	886
[2801]	887	!------------------------------------------------------------------------------!
	888	! Description:
	889	! ------------
	890	!> child routine:
	891	!> copy/sort particles out of the local buffer into the respective grid boxes
	892	!------------------------------------------------------------------------------!
	893	SUBROUTINE c_copy_particle_to_child_grid
	894
	895	IMPLICIT NONE
	896
	897	INTEGER(iwp) :: ic !< coarse x grid index
	898	INTEGER(iwp) :: icl !< left boundary in coarse(parent) index space
	899	INTEGER(iwp) :: icr !< right boundary in coarse(parent) index space
	900	INTEGER(iwp) :: ip !< x grid index
	901	INTEGER(iwp) :: jc !< coarse y grid index
	902	INTEGER(iwp) :: jcn !< north boundary in coarse(parent) index space
	903	INTEGER(iwp) :: jcs !< south boundary in coarse(parent) index space
	904	INTEGER(iwp) :: jp !< y grid index
	905	INTEGER(iwp) :: kp !< z grid index
	906	INTEGER(iwp) :: n !< loop index (number of particles)
	907	INTEGER(iwp) :: nr !< short variable for name number or particles
	908
	909	REAL(wp) :: xc !< child x coordinate
	910	REAL(wp) :: xoc !< child x origin
	911	REAL(wp) :: yc !< child y coordinate
	912	REAL(wp) :: yoc !< child y origin
	913	REAL(wp) :: zc !< child z coordinate
	914
[2967]	915	#if defined( __parallel )
[2801]	916	!
	917	!-- Child domain boundaries in the parent index space
	918	icl = coarse_bound(1)
	919	icr = coarse_bound(2)
	920	jcs = coarse_bound(3)
	921	jcn = coarse_bound(4)
	922
	923	DO ic = icl, icr
	924	DO jc = jcs, jcn
	925	nr = coarse_particles(jc,ic)%nr_particle
	926
	927	IF ( nr > 0 ) THEN
	928	DO n = 1, nr
	929	xc = coarse_particles(jc,ic)%parent_particles(n)%x-lower_left_coord_x
	930	yc = coarse_particles(jc,ic)%parent_particles(n)%y-lower_left_coord_y
	931	zc = coarse_particles(jc,ic)%parent_particles(n)%z
	932	xoc = coarse_particles(jc,ic)%parent_particles(n)%origin_x-lower_left_coord_x
	933	yoc = coarse_particles(jc,ic)%parent_particles(n)%origin_y-lower_left_coord_y
	934	ip = xc / dx
	935	jp = yc / dy
	936	kp = nzt
	937	DO WHILE ( zw(kp-1) > zc .AND. kp > nzb + 1 ) ! kk search loop has to be optimzed !!!
	938	kp = kp - 1
	939	ENDDO
	940
	941	IF ( ip >= nxl .AND. ip <= nxr .AND. jp >= nys .AND. jp <= nyn ) THEN
	942	prt_count(kp,jp,ip) = prt_count(kp,jp,ip) + 1
	943	IF ( prt_count(kp,jp,ip) > SIZE( grid_particles(kp,jp,ip)%particles ) ) THEN
	944	CALL realloc_particles_array( ip, jp, kp )
	945	ENDIF
	946	coarse_particles(jc,ic)%parent_particles(n)%x = xc ! Adjust coordinates to child grid
	947	coarse_particles(jc,ic)%parent_particles(n)%y = yc
	948	coarse_particles(jc,ic)%parent_particles(n)%origin_x = xoc ! Adjust origins to child grid
	949	coarse_particles(jc,ic)%parent_particles(n)%origin_y = yoc
	950	grid_particles(kp,jp,ip)%particles(prt_count(kp,jp,ip)) = coarse_particles(jc,ic)%parent_particles(n)
	951	ENDIF
	952	ENDDO
	953	ENDIF
	954	ENDDO
	955	ENDDO
	956
[2967]	957	#endif
[2801]	958	END SUBROUTINE c_copy_particle_to_child_grid
[2967]	959
	960
[2801]	961	!------------------------------------------------------------------------------!
	962	! Description:
	963	! ------------
	964	!> child routine:
	965	!> copy particles which left the model area into the local buffer
	966	!------------------------------------------------------------------------------!
	967	SUBROUTINE c_copy_particle_to_coarse_grid
	968
	969	IMPLICIT NONE
	970
	971	LOGICAL :: boundary_particle !<
	972
	973	INTEGER(iwp) :: i !< loop index (x grid)
	974	INTEGER(iwp) :: ic !< loop index (coarse x grid)
	975	INTEGER(iwp) :: icl !< left boundary in coarse(parent) index space
	976	INTEGER(iwp) :: icr !< left boundary in coarse(parent) index space
	977	INTEGER(iwp) :: ierr !< error code
	978	INTEGER(iwp) :: j !< loop index (y grid)
	979	INTEGER(iwp) :: jc !< loop index (coarse y grid)
	980	INTEGER(iwp) :: jcs !< south boundary in coarse(parent) index space
	981	INTEGER(iwp) :: jcn !< north boundary in coarse(parent) index space
	982	INTEGER(iwp) :: k !< loop index (z grid)
	983	INTEGER(iwp) :: n !< loop index (number of particles)
	984
	985	REAL(iwp) :: x !< x coordinate
	986	REAL(iwp) :: xo !< x origin
	987	REAL(iwp) :: x_left !< absolute left boundary
	988	REAL(iwp) :: x_right !< absolute right boundary
	989	REAL(iwp) :: y !< left boundary in coarse(parent) index space
	990	REAL(iwp) :: yo !< y origin
	991	REAL(iwp) :: y_north !< absolute north boundary
	992	REAL(iwp) :: y_south !< absoulte south boundary
	993	REAL(iwp) :: z !< z coordinate
	994
[2967]	995	#if defined( __parallel )
[2801]	996	!
	997	!-- Child domain boundaries in the parent index space
	998
	999	icl = coarse_bound(1)
	1000	icr = coarse_bound(2)
	1001	jcs = coarse_bound(3)
	1002	jcn = coarse_bound(4)
	1003
	1004	!
	1005	!-- absolute coordinates
	1006	x_left = coord_x(0)
	1007	x_right = coord_x(nx) + dx
	1008	y_south = coord_y(0)
	1009	y_north = coord_y(ny) + dy
	1010
	1011	! Clear Particle Buffer
	1012
	1013	DO ic = icl, icr
	1014	DO jc = jcs, jcn
	1015	coarse_particles(jc,ic)%nr_particle = 0
	1016	ENDDO
	1017	ENDDO
	1018
	1019	!
	1020	!-- Determine particles which leave the inner area in east or west dirextion
	1021	!-- Compute only first (nxl) and last (nxr) loop iterration.
	1022	DO i = nxl, nxr
	1023	DO j = nys, nyn
	1024	DO k = nzb + 1, nzt
	1025	number_of_particles = prt_count(k,j,i)
	1026	IF ( number_of_particles <= 0 ) CYCLE
	1027	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
	1028	DO n = 1, number_of_particles
	1029	IF ( particles(n)%particle_mask ) THEN
	1030	x = particles(n)%x+ lower_left_coord_x
	1031	y = particles(n)%y+ lower_left_coord_y
	1032	xo = particles(n)%origin_x + lower_left_coord_x
	1033	yo = particles(n)%origin_y + lower_left_coord_y
	1034	z = particles(n)%z
	1035
	1036	boundary_particle = .FALSE.
	1037	boundary_particle = boundary_particle .OR. (x < x_left .OR. x > x_right)
	1038	boundary_particle = boundary_particle .OR. (y < y_south .OR. y > y_north)
	1039	boundary_particle = boundary_particle .OR. (z > zw(nzt))
	1040
	1041	IF ( boundary_particle ) THEN
	1042	ic = x / cg%dx !TODO anpassen auf Mehrfachnesting
	1043	jc = y / cg%dy
	1044
	1045	IF ( ic >= icl .AND. ic <= icr .AND. jc >= jcs .AND. jc <= jcn ) THEN
	1046	coarse_particles(jc,ic)%nr_particle = coarse_particles(jc,ic)%nr_particle + 1
	1047	CALL check_and_alloc_coarse_particle( ic, jc, coarse_particles(jc,ic)%nr_particle, with_copy=.TRUE. )
	1048
	1049	coarse_particles(jc,ic)%parent_particles(coarse_particles(jc,ic)%nr_particle) = particles(n)
	1050	coarse_particles(jc,ic)%parent_particles(coarse_particles(jc,ic)%nr_particle)%x = x !adapt to global coordinates
	1051	coarse_particles(jc,ic)%parent_particles(coarse_particles(jc,ic)%nr_particle)%y = y
	1052	coarse_particles(jc,ic)%parent_particles(coarse_particles(jc,ic)%nr_particle)%origin_x = xo
	1053	coarse_particles(jc,ic)%parent_particles(coarse_particles(jc,ic)%nr_particle)%origin_y = yo
	1054	!-- Mark particle as deleted after copying it to the transfer buffer
	1055	grid_particles(k,j,i)%particles(n)%particle_mask = .FALSE.
	1056	ELSE
	1057	WRITE(9,'(a,10i6)') 'This should not happen ',i,j,k,ic,jc,icl,icr,jcs,jcn
	1058	CALL MPI_Abort( MPI_COMM_WORLD, 9999, ierr )
	1059	ENDIF
	1060	ENDIF
	1061	ENDIF
	1062	ENDDO
	1063	ENDDO
	1064	ENDDO
	1065	ENDDO
	1066
	1067	!
	1068	!- Pack particles (eliminate those marked for deletion),
	1069	!- determine new number of particles
	1070	CALL lpm_sort_in_subboxes
	1071
[2967]	1072	#endif
[2801]	1073	END SUBROUTINE c_copy_particle_to_coarse_grid
[2967]	1074
	1075
[2801]	1076	!------------------------------------------------------------------------------!
	1077	! Description:
	1078	! ------------
	1079	!> parent routine:
	1080	!> copy/sort particles from the MPI window into the respective grid boxes
	1081	!------------------------------------------------------------------------------!
	1082	SUBROUTINE p_copy_particle_to_org_grid( m, child_id )
	1083
	1084	IMPLICIT NONE
	1085
	1086	INTEGER(iwp),INTENT(IN) :: child_id !<
	1087	INTEGER(iwp),INTENT(IN) :: m !<
	1088
	1089	INTEGER(iwp) :: i !< loop index (x grid)
	1090	INTEGER(iwp) :: j !< loop index (y grid)
	1091	INTEGER(iwp) :: k !< loop index (z grid)
	1092	INTEGER(iwp) :: n !< loop index (nr part)
	1093	INTEGER(iwp) :: nr !< short variable name for nr_part
	1094	INTEGER(iwp) :: pindex !< short variable name part_adr
	1095
	1096	REAL(iwp) :: x !< x coordinate
	1097	REAL(iwp) :: xo !< x origin
	1098	REAL(iwp) :: y !< y coordinate
	1099	REAL(iwp) :: yo !< y origin
	1100	REAL(iwp) :: z !< z coordinate
	1101
	1102	INTEGER(iwp),DIMENSION(1) :: buf_shape !<
	1103
[2967]	1104	#if defined( __parallel )
[2801]	1105	buf_shape(1) = max_nr_particle_in_rma_win
	1106	CALL C_F_POINTER( buf_ptr(m), particle_in_win , buf_shape )
	1107
	1108	DO i = nxl, nxr
	1109	DO j = nys, nyn
	1110	nr = nr_part(j,i)
	1111	IF ( nr > 0 ) THEN
	1112	pindex = part_adr(j,i)
	1113	DO n = 1, nr
	1114	x = particle_in_win(pindex)%x-lower_left_coord_x
	1115	y = particle_in_win(pindex)%y-lower_left_coord_y
	1116	z = particle_in_win(pindex)%z
	1117	xo = particle_in_win(pindex)%origin_x-lower_left_coord_x
	1118	yo = particle_in_win(pindex)%origin_y-lower_left_coord_y
	1119	k = nzt + 1
	1120	DO WHILE ( zw(k-1) > z .AND. k > nzb + 1 ) ! kk search loop has to be optimzed !!!
	1121	k = k - 1
	1122	END DO
	1123
	1124	prt_count(k,j,i) = prt_count(k,j,i) + 1
	1125	IF ( prt_count(k,j,i) > SIZE( grid_particles(k,j,i)%particles ) ) THEN
	1126	CALL realloc_particles_array( i, j, k )
	1127	ENDIF
	1128	grid_particles(k,j,i)%particles(prt_count(k,j,i)) = particle_in_win(pindex)
	1129
	1130	!
	1131	!-- Update particle positions and origins relative to parent domain
	1132	grid_particles(k,j,i)%particles(prt_count(k,j,i))%x = x
	1133	grid_particles(k,j,i)%particles(prt_count(k,j,i))%y = y
	1134	grid_particles(k,j,i)%particles(prt_count(k,j,i))%origin_x = xo
	1135	grid_particles(k,j,i)%particles(prt_count(k,j,i))%origin_y = yo
	1136	pindex = pindex + 1
	1137	ENDDO
	1138	ENDIF
	1139	ENDDO
	1140	ENDDO
[2967]	1141
	1142	#endif
[2801]	1143	END SUBROUTINE p_copy_particle_to_org_grid
	1144
	1145
	1146	END MODULE pmc_particle_interface

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